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Scientists probe muscle stem cells under low oxygen – no treatment yet

NCT ID NCT07341165

Knowledge-focused Sponsor: Université Catholique de Louvain Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at how muscle stem cells (satellite cells) respond to a single session of eccentric leg exercise in healthy young men. Participants exercised in either normal air, a low-oxygen room, or with a blood-flow restriction cuff. Muscle biopsies and blood samples were taken at several time points to track cell changes. The goal was to better understand the basic biology, not to test a treatment.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

38 people

The number who actually took part.

Started

Apr 2023

Finished

Sep 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

20 to 49 years

Sex

Male participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Healthy man * Aged between 20 and 49 years * Physically active * Not involved in resistance training, * No exposed to high altitude (\>1500m) 1 month before experiment Exclusion Criteria: * Intake of AINS, * Illness with altered inflammatory status, * Condition that prohibits resistance exercise (muscle injury) or the sampling of tissue biopsies (aspirin, anticoagulants, allergy to lidocaine)

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Conditions

The condition(s) this trial relates to.

Hypoxia Motor Activity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Exercise Hypoxia Myogenesis Satellite cells

Contacts and locations

Locations

  • Faculté des Sciences de la Motricité

    Louvain-la-Neuve, 1348, Belgium

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Other studies related to the condition(s) this trial covers.